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2. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   An electrically operated water pump is the prime motivator in recirculating the water from the pool. Water is forced through a filter and then returned to the pool. Using a water pump by itself is often not sufficient to completely sanitize a pool. Commercial and public pool pumps usually run 24 hours a day for the entire operating season of ...

3. Water testing - Wikipedia

   en.wikipedia.org/wiki/Water_testing

   Water testing being conducted at a treatment facility in Broken Bow, Oklahoma. Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety. [1] Testing may be performed to evaluate:

4. O'Shaughnessy Dam (Ohio) - Wikipedia

   en.wikipedia.org/wiki/O'Shaughnessy_Dam_(Ohio)

   The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus. It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named). [2] [3] At the time, the reservoir was described as "the finest inland waterway in the United States."

5. Swimming pool - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool

   A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Mirror Lake (Ohio) - Wikipedia

   en.wikipedia.org/wiki/Mirror_Lake_(Ohio)

   Between 1891 and 1972, the lake was filled using water from the Olentangy River. The water source was subsequently provided by the city of Columbus municipal water supply, at a new location on campus near the location of the original lake. [4] In 2014, a well was dug to feed the lake from groundwater, eliminating the need to use municipal water ...